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PODCAST

Open Source Security

Open Source Security is a media project to help showcase and educate on open source security. Our goal is to give the community a platform educate both developers and users on how open source security works. There"s a lot of good work happening that doesn"t get attention because there"s no marketing department behind it, they don"t have a developer relations team posting on LinkedIn every two hours. Let"s focus on those people and teams then learn what they do and how they do it. The goal is to

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All Episodes

29:41

Rustls with Dirkjan and Joe

Open Source Security ·

2025/12/29

Josh talk to Dirkjan and Joe about Rustls (pronounced rustles), a Rust-based TLS library. Dirkjan and Joe are developers on Rustls. We talk about the history that got us to this point. The many many challenges in writing a TLS library (Rust or not). We also chat about some of what's to come. Rustls has an OpenSSL compatibility layer which makes is a really interesting project. The show notes and blog post for this episode can be found at

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47:29

Daniel Thompson answers: Does the CRA apply to Santa?

Open Source Security ·

2025/12/22

Josh welcomes back Daniel Thompson explore the rather silly question of whether Santa Claus needs to be compliant with the Cyber Resilience Act (CRA). This episode was intended to be silly, but it ended up being an incredibly interesting conversation. Daniel explained a great deal about how the CRA works and how it could apply to Santa Claus. The TL;DR is even if he's giving out free stuff, the CRA almost certainly applies. Daniel also fills us in on his book (you can email Josh to enter into a

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32:56

Linux Foundation Europe with Gabriele Columbro

Open Source Security ·

2025/12/15

Josh has a chat with Gabriele Columbro, Executive Director of the Fintech Open Source Foundation and General Manager of Linux Foundation Europe. We of course discuss the Cyber Resilience Act (CRA), the evolving landscape of open source regulation, and the collaborative efforts of major foundations. Open source is everywhere, but there's also a ton of work to do now. Gabriele has really good insight into where things are today and where they are heading in the future for open source and regulation

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29:31

Updating open source dependencies with Jamie Tanna

Open Source Security ·

2025/12/08

Josh discusses updating open source dependencies with Jamie Tanna. Jamie works on Renovate which gives them a lot of insight into the challenges of keeping your open source updated. We discuss the challenges of semantic versioning, supply chain security, and AI-generated code. If you're new or old to the world of open source dependencies, there's something to learn from this chat. The show notes and blog post for this episode can be found at

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42:39

TARmageddon with Alex Zenla

Open Source Security ·

2025/12/01

Josh discusses the TARmageddon vulnerability with Alex Zenla, CTO of Edera. In this episode, we explore the discovery of the TARmageddon vulnerability. It's especially interesting because it's Rust, but also involves multiple end of life crates. Alex shares the story of how Edera managed to figure all this out (it was not simple). Hard problems are still hard, but there's a lot of lessons in this one. The show notes and blog post for this episode can be found at

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31:44

Python Security with Seth Larson

Open Source Security ·

2025/11/24

In this episode Seth Larson gives us a cornucopia of topics relating to Python security. Seth discusses the Python Software Foundation's decision to reject a significant grant NSF. Diversity is a big deal to python, so this was a no brainier. We discuss the upcoming PyCon US conference, featuring a new security track that fosters collaboration between developers and security experts. Josh is a huge fan of having a security track at developer conferences. And we close on a paper about zip and tar

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35:46

Linux Vendor Firmware Service with Richard Hughes

Open Source Security ·

2025/11/17

Josh talks to Richard Hughes about the world of firmware. We cover how Richard's journey from developing the ColorHug led to the creation of the Linux Vendor Firmware Service (LVFS), changing how firmware updates are managed for nearly every Linux user. Updating firmware has always been dicey, and on Linux it used to be impossible. Richard helps us understand how this all works and how we can all help out. The show notes and blog post for this episode can be found at

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34:31

NPM supply chain attacks with Charlie Erickson

Open Source Security ·

2025/11/09

Josh chats with Charlie Erickson, a security researcher at Aikido Security. We discuss the recent NPM supply chain attacks that affect hundreds of packages. Charlie shares his experiences dealing with recent security breaches, the challenges of maintaining trust in open source software, and the importance of proactive measures to safeguard open source. The rapid pace of change is impacting our security practices and what steps can be taken to foster resilience in the face of evolving threats. The

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31:48

Detecting XZ in Debian with Otto Kekäläinen

Open Source Security ·

2025/11/02

In this episode, Josh and Otto dive into the world of Debian packaging, exploring the challenges of supply chain security and the importance of transparency in open source projects. They discuss Otto's blog post about the XZ backdoor and how it's a nearly impossible attack to detect. Otto does a great job breaking down an incredibly complex problem into understandable pieces. The show notes and blog post for this episode can be found at https://opensourcesecurity.io/2025/2025-11-xz-debian-otto/

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31:15

Eclipse Foundation SBOMs with Mikael Barbero

Open Source Security ·

2025/10/20

In this conversation, Josh speaks with Mikael Barbero, head of security at the Eclipse Foundation. They discuss the foundation's role in enhancing the security posture of open source projects, the importance of Software Bill of Materials (SBOMs), and the various security services provided to projects. Mikael explains the challenges and strategies involved in implementing security best practices across a diverse range of projects, as well as the foundation's proactive approach to navigating security

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31:35

Actually finding vulnerabilities using AI with Joshua...

Open Source Security ·

2025/10/13

I chat with Joshua Rogers about a blog post he wrote as well as some bugs he submitted to the curl project. Joshua explains how he went searching for some AI tools to help find security bugs, and found out they can work, if you're a competent human. We discuss the challenges of finding effective tools, the importance of human oversight in triaging vulnerabilities, and how to submit those bugs to open source projects responsibly. It's a very sane and realistic conversation about what AI tools can and

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42:20

Sustaining Package Repositories with Brian Fox

Open Source Security ·

2025/10/06

Brian Fox discusses the challenges and future of open source package repository infrastructure. We discuss the complexities of managing public registries, the impact of overconsumption, and the importance of sustainable practices in the open source community. Brian tells us how organizations can reduce their footprint and contribute to a more balanced ecosystem. The package repositories cannot continue to be the world's CDN. The show notes and blog post for this episode can be found at

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38:08

Arch Linux Security with Foxboron and Anthraxx

Open Source Security ·

2025/09/29

Join us for a conversation with Foxboron (Morten Linderud) and Anthraxx (Levente Polyak), members of the Arch Linux security team. We talk about the difficulties of maintaining a Linux distribution, the challenges of handling CVEs, and the dedication of volunteers who keep the open-source community working (and how overworked those volunteers are). We explain what makes Arch a little different, how they approach their security process, and what sort of help they would love to see in the future. The

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28:48

OpenSSL with Hana Andersen and Anton Arapov

Open Source Security ·

2025/09/22

I discuss all things OpenSSL with Hana Andersen and Anton Arapov from the OpenSSL Corporation. Discover the intricacies of organizing the first-ever OpenSSL conference in Prague, the importance of post-quantum cryptography, and the evolution of OpenSSL from a small team to a global community. Whether you're a seasoned cryptographer or just curious about the future of secure communications, this episode offers insights and stories. Don't miss out on learning how OpenSSL is still shaping the future of

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37:48

The Python Software Foundation with Deb Nicholson

Open Source Security ·

2025/09/15

In this episode I discuss the Python Software Foundation with Deb Nicholson. We discuss their contributions to the Python programming community. Learn how this dedicated organization supports the growth and innovation of Python, fostering an ecosystem for developers worldwide. Everything funding open-source projects to organizing community events, discover the initiatives that make the Python Software Foundation a force for positive change in the tech world. The show notes and blog post for this

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25:48

Using Mercator to map assets with Didier Barzin

Open Source Security ·

2025/09/08

In this episode, we the information system mapping tool Mercator with Didier Barzin, a CISO at a hospital in Luxembourg. Discover how Mercator revolutionizes the way organizations map their complex information systems. From hospitals to universities and even the banking sector. Mercator helps manage and protect vast networks by creating dynamic, comprehensive maps that replace outdated Excel sheets. Join us as we explore the challenges and innovations in information security and the impact of

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38:04

Talos Linux security with Andrey Smirnov

Open Source Security ·

2025/09/01

In this episode, I discuss into the security features of Talos Linux with Andrey Smirnov. Andrey explains how Talos focuses on its immutability and minimal attack surface. Discover how these enhancements fortify your systems against vulnerabilities, ensuring a secure and resilient infrastructure. Join us as we explore the security advancements that make Talos Linux not only a super easy way to run Kubernetes, but also a very secure way. The show notes and blog post for this episode can be found at

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34:59

Discussing the Open Source, Open Threats? paper with...

Open Source Security ·

2025/08/25

In this episode I chat with the authors of a recent paper on open source security: Open Source, Open Threats? Investigating Security Challenges in Open-Source Software. I chat with Ali Akhavani and Behzad Ousat about their findings. There are interesting data points in the paper such as a 98% increase in reported vulnerabilities compared to a 25% growth in open source ecosystems. We discuss the challenges of maintaining security in a rapidly expanding digital landscape, and learn about the role of

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25:39

crates.io trusted publishing with Tobias Bieniek

Open Source Security ·

2025/08/18

In this episode we discuss crates.io trusted publishing with Tobias Bieniek. We cover the steps crates.io is taking to enhance supply chain security through trusted publishing, a method that leverages short-lived tokens and GitHub actions to safeguard against unauthorized access. Tobias shares insights into the challenges of managing a large-scale open-source repository, offering a glimpse into the future of secure software distribution. Tune in to learn how these advancements are shaping the

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32:25

CVE update with Patrick Garrity

Open Source Security ·

2025/08/11

In this episode I chat with Patrick Garrity from VulnCheck. We discuss the chaos that has enveloped the CVE and NVD programs over the past two years. We cover some of the transparency and communication challenges with the existing program. What some of the new things that have started to emerge as well as why they seem to be struggling. We end on the note that the last 3 months haven't been confidence inspiring. It's likely in 6 months everyone will be scrambling to deal with a difficult situation

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133 results

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